The United States Secretary of Transportation is the head of the United States Department of Transportation, a member of the President's Cabinet, and fourteenth in the Presidential line of succession.[1] The post was created with the formation of the Department of Transportation on October 15, 1966, by President Lyndon B. Johnson's signing of the Department of Transportation Act.[2] The Department's mission is "to develop and coordinate policies that will provide an efficient and economical national transportation system, with due regard for need, the environment, and the national defense."[2] The Secretary of Transportation oversees eleven agencies, including the Federal Aviation Administration, the Federal Highway Administration, and the National Highway Traffic Safety Administration.[2] In April 2008, Mary Peters launched the official blog of the Secretary of Transportation called The Fast Lane.[3] (Wikipedia)